$1.($Han page $387$ problem $8\mathrm{.}7)$ The follwing table consists of training data from an employee database. For a given raw entry, count represents the number of data tuples having the values for department, status, age and salary given in that row.

Predicted variable is status Age,Salary and Department are inputs

$\backslash$table$[[$Department$,$Status,Age,Salary,Count$],[$Sales$,$Senior,$31-35,46K-50K,30],[$Sales$,$Junior,$26-30,26K-30K,40],[$Sales$,$Junior,$31-35,31K-35K,40],[$Systems$,$Junior,$21-25,46K-50K,20],[$Systems$,$Senior,$31-35,66K-70K,5],[$Systems$,$Junior,$26-30,46K-50K,3],[$Systems$,$Senior,$41-45,66K-70K,3Z$